Wildlife

When big cats cross from one country into another, they can fall victim to wildlife traffickers, drug cartels, highways and more emerging threats.

An indigenous resistance is leading the fight to protect Central America's rivers from an onslaught of dams that threaten the region's rich biodiversity.

Decades after being wiped out in the Lone Star State, black bears are slowly returning. Experts fear that a border wall between the United States and Mexico would end that recovery.

Railways can be deadly for animals ranging from elephants to grizzlies and frogs, but we’re just beginning to understand the causes and solutions.

For manatees and other hard-to-spot species, the answer may lie in the minute particles of DNA they leave behind as they move through their environments.

Products marketed to kill rodents are instead threatening the lives of the wildlife that eat them as poisons travel up the food chain.

Alex Dehgan’s new book The Snow Leopard Project details successful strategies for conserving endangered wildlife — and helping people in the process.

2018 was the second-deadliest year on record for the threatened species — and humans are responsible.

New photographs reveal that the National Butterfly Center in Texas is also home to an amazing array of 200 bee species — some of which exist nowhere else in the United States.

Tensions are high as wolves begin to wander the country for the first time in 200 years. Now some scientists have a possible solution.